20020+0257

  • Unique Name: 20020+0257HEI 818
  • RA: 20 02 00.21
  • Dec: +02 56 31.6
  • Discoverer: HEI
  • Discoverer Number: 818
  • Components:
  • First year: 1990
  • Last year: 1994
  • Observations: 2
  • First position angle: 27
  • Last position angle: 28
  • First separation: 1.4
  • Last separation: 1.3
  • Mag first component: 10.8
  • Mag second component: 11.4
  • Spectral type: A3
  • Primary proper motion RA: -8
  • Primary proper motion DEC: -11
  • Secondary proper motion RA:
  • Secondary proper motion DEC:
  • Durchmusterung:
  • Notes:
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